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Mutant mass is a revolutionary, top secret experimental muscle mass gainer that delivers extreme, abnormal mass building results. If you’re destroying the iron in the gym to build massive, Mutant-like proportions of skin stretching muscle and inhuman strength then Mutant mass is a must for your mass building arsenal. Every powerful, military strength serving of Mutant mass delivers a potent dose of anabolic macronutrients – including exclusive Mutant pro to shift your body into a state of virtually limitless growth.